Which action is due to field forces? select one of the options below as your a. an apple falling from a tree b. a moving car stopping when the brakes are applied c. the rowing of a boat d. pushing a chair against the wall

When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain